selected publications

• chapter

  • Lessons Learned from the Development of the ROLE PLE Framework.  Springer eBooks. 185-217. 2014
  • Integrating Learning Object Repositories Using a Mediator Architecture.  Springer eBooks. 185-197. 2006

• conference paper

  • Assistance- and knowledge-services for smart production.  . 2015
  • Querying Heterogeneous and Distributed Learning Object Repositories via Ontology-Based Mediation.  . 2006
  • A flexible and efficient presentation-architecture for adaptive hypermedia: description and technical evaluation.  . 2004